Basic Stats
| Portfolio Value | $ 732,821,980 |
| Current Positions | 114 |
Latest Holdings, Performance, AUM (from 13F, 13D)
MFS VARIABLE INSURANCE TRUST - MFS New Discovery Series Initial Class has disclosed 114 total holdings in their latest SEC filings. Most recent portfolio value is calculated to be $ 732,821,980 USD. Actual Assets Under Management (AUM) is this value plus cash (which is not disclosed). MFS VARIABLE INSURANCE TRUST - MFS New Discovery Series Initial Class’s top holdings are MFS Institutional Money Market Portfolio (US:US55291X1090) , JPMorgan Trust II - JPMorgan U.S. Government Money Market Fund IM (US:MGMXX) , Flowserve Corporation (US:FLS) , nVent Electric plc (US:NVT) , and Genius Sports Limited (US:GENI) . MFS VARIABLE INSURANCE TRUST - MFS New Discovery Series Initial Class’s new positions include Sportradar Group AG (US:SRAD) , Patrick Industries, Inc. (US:PATK) , Mirion Technologies, Inc. (US:MIR) , GeneDx Holdings Corp. (US:WGS) , and Exact Sciences Corporation (US:EXAS) .
Top Increases This Quarter
We use the change in the portfolio allocation because this is the most meaningful metric. Changes can be due to trades or changes in share prices.
| Security | Shares (MM) |
Value (MM$) |
Portfolio % | ΔPortfolio % |
|---|---|---|---|---|
| 15.97 | 15.97 | 2.2282 | 1.6522 | |
| 0.38 | 8.18 | 1.1416 | 1.1416 | |
| 0.23 | 6.50 | 0.9068 | 0.9068 | |
| 0.07 | 6.06 | 0.8449 | 0.8449 | |
| 0.21 | 5.54 | 0.7726 | 0.7726 | |
| 0.25 | 5.39 | 0.7517 | 0.7517 | |
| 0.05 | 5.03 | 0.7011 | 0.7011 | |
| 0.20 | 14.76 | 2.0594 | 0.6991 | |
| 0.09 | 4.88 | 0.6802 | 0.6802 | |
| 0.12 | 4.73 | 0.6605 | 0.6605 |
Top Decreases This Quarter
We use the change in the portfolio allocation because this is the most meaningful metric. Changes can be due to trades or changes in share prices.
| Security | Shares (MM) |
Value (MM$) |
Portfolio % | ΔPortfolio % |
|---|---|---|---|---|
| 27.08 | 27.08 | 3.7782 | -0.7544 | |
| 0.34 | 6.30 | 0.8794 | -0.7240 | |
| 0.00 | 0.00 | -0.6467 | ||
| 0.02 | 1.80 | 0.2513 | -0.6341 | |
| 0.19 | 6.38 | 0.8903 | -0.5721 | |
| 0.01 | 1.79 | 0.2501 | -0.5525 | |
| 0.10 | 10.75 | 1.4990 | -0.4691 | |
| 0.35 | 6.97 | 0.9728 | -0.4567 | |
| 0.11 | 4.31 | 0.6014 | -0.4053 | |
| 0.09 | 4.34 | 0.6058 | -0.3997 |
13F and Fund Filings
This form was filed on 2025-08-25 for the reporting period 2025-06-30. Click the link icon to see the full transaction history.
Upgrade to unlock premium data and export to Excel 
.
| Security | Type | Avg Share Price | Shares (MM) |
ΔShares (%) |
ΔShares (%) |
Value ($MM) |
Portfolio (%) |
ΔPortfolio (%) |
|
|---|---|---|---|---|---|---|---|---|---|
| US55291X1090 / MFS Institutional Money Market Portfolio | 27.08 | -8.06 | 27.08 | -8.06 | 3.7782 | -0.7544 | |||
| MGMXX / JPMorgan Trust II - JPMorgan U.S. Government Money Market Fund IM | 15.97 | 326.67 | 15.97 | 326.74 | 2.2282 | 1.6522 | |||
| FLS / Flowserve Corporation | 0.29 | 29.73 | 15.28 | 39.06 | 2.1320 | 0.4410 | |||
| NVT / nVent Electric plc | 0.20 | 19.49 | 14.76 | 66.97 | 2.0594 | 0.6991 | |||
| GENI / Genius Sports Limited | 1.25 | 16.07 | 13.00 | 20.60 | 1.8136 | 0.1549 | |||
| CR / Crane Company | 0.07 | -25.08 | 12.36 | -7.12 | 1.7240 | -0.3233 | |||
| STEP / StepStone Group Inc. | 0.22 | 23.76 | 12.11 | 31.52 | 1.6894 | 0.2725 | |||
| USFD / US Foods Holding Corp. | 0.15 | -15.04 | 11.78 | -0.05 | 1.6435 | -0.1701 | |||
| GMED / Globus Medical, Inc. | 0.20 | 43.93 | 11.57 | 16.05 | 1.6142 | 0.0800 | |||
| FROG / JFrog Ltd. | 0.26 | -9.27 | 11.49 | 24.40 | 1.6029 | 0.1818 | |||
| KNF / Knife River Corporation | 0.14 | 51.22 | 11.09 | 36.85 | 1.5469 | 0.3002 | |||
| AEIS / Advanced Energy Industries, Inc. | 0.08 | 11.39 | 10.88 | 54.85 | 1.5175 | 0.4367 | |||
| RBA / RB Global, Inc. | 0.10 | -20.66 | 10.75 | -16.00 | 1.4990 | -0.4691 | |||
| QGEN / Qiagen N.V. | 0.22 | 0.00 | 10.68 | 19.71 | 1.4893 | 0.1170 | |||
| CACI / CACI International Inc | 0.02 | -32.62 | 10.30 | -12.46 | 1.4365 | -0.3734 | |||
| BLD / TopBuild Corp. | 0.03 | -6.38 | 10.29 | -0.62 | 1.4360 | -0.1576 | |||
| PEGA / Pegasystems Inc. | 0.19 | 103.33 | 10.12 | 58.34 | 1.4119 | 0.4283 | |||
| TECH / Bio-Techne Corporation | 0.19 | 39.72 | 9.88 | 22.61 | 1.3786 | 0.1384 | |||
| FORM / FormFactor, Inc. | 0.29 | 19.58 | 9.83 | 45.46 | 1.3718 | 0.3316 | |||
| VC / Visteon Corporation | 0.10 | 31.04 | 9.79 | 57.52 | 1.3662 | 0.4096 | |||
| ALKT / Alkami Technology, Inc. | 0.32 | -8.38 | 9.52 | 5.20 | 1.3285 | -0.0643 | |||
| TRNO / Terreno Realty Corporation | 0.17 | 45.39 | 9.41 | 28.95 | 1.3129 | 0.1899 | |||
| CCCS / CCC Intelligent Solutions Holdings Inc. | 0.99 | 20.08 | 9.36 | 25.15 | 1.3059 | 0.1549 | |||
| WT / WisdomTree, Inc. | 0.80 | 0.00 | 9.26 | 29.03 | 1.2916 | 0.1876 | |||
| QTWO / Q2 Holdings, Inc. | 0.10 | 10.20 | 8.97 | 28.91 | 1.2511 | 0.1806 | |||
| LGND / Ligand Pharmaceuticals Incorporated | 0.08 | 28.48 | 8.93 | 38.91 | 1.2463 | 0.2568 | |||
| UFPT / UFP Technologies, Inc. | 0.04 | 26.53 | 8.87 | 53.15 | 1.2369 | 0.3462 | |||
| WING / Wingstop Inc. | 0.03 | -28.78 | 8.42 | 6.32 | 1.1749 | -0.0439 | |||
| QXO INC(PIPE)144APIPE PRIVATEP / EC (000000000) | 0.38 | 8.18 | 1.1416 | 1.1416 | |||||
| ACVA / ACV Auctions Inc. | 0.49 | 0.00 | 7.93 | 15.12 | 1.1066 | 0.0464 | |||
| IRT / Independence Realty Trust, Inc. | 0.45 | 0.00 | 7.91 | -16.67 | 1.1031 | -0.3570 | |||
| OLLI / Ollie's Bargain Outlet Holdings, Inc. | 0.06 | -18.38 | 7.55 | -7.55 | 1.0534 | -0.2034 | |||
| ATR / AptarGroup, Inc. | 0.05 | 0.00 | 7.23 | 5.43 | 1.0081 | -0.0466 | |||
| ALGN / Align Technology, Inc. | 0.04 | 55.37 | 7.22 | 85.15 | 1.0074 | 0.4074 | |||
| CHEF / The Chefs' Warehouse, Inc. | 0.11 | 16.61 | 7.14 | 36.63 | 0.9960 | 0.1920 | |||
| EXLS / ExlService Holdings, Inc. | 0.16 | 20.26 | 7.12 | 11.54 | 0.9939 | 0.0112 | |||
| ESTC / Elastic N.V. | 0.08 | 37.04 | 7.06 | 29.72 | 0.9852 | 0.1474 | |||
| LFUS / Littelfuse, Inc. | 0.03 | 0.00 | 7.02 | 15.24 | 0.9789 | 0.0420 | |||
| SDGR / Schrödinger, Inc. | 0.35 | -26.36 | 6.97 | -24.95 | 0.9728 | -0.4567 | |||
| OS / OneStream, Inc. | 0.25 | -26.09 | 6.95 | -1.99 | 0.9693 | -0.1215 | |||
| KXS / Kinaxis Inc. | 0.05 | 0.00 | 6.86 | 34.91 | 0.9564 | 0.1744 | |||
| PJT / PJT Partners Inc. | 0.04 | 5.73 | 6.68 | 26.55 | 0.9316 | 0.1196 | |||
| SRAD / Sportradar Group AG | 0.23 | 6.50 | 0.9068 | 0.9068 | |||||
| FTI / TechnipFMC plc | 0.19 | -38.22 | 6.38 | -32.86 | 0.8903 | -0.5721 | |||
| MOD / Modine Manufacturing Company | 0.06 | -13.50 | 6.38 | 11.02 | 0.8897 | 0.0058 | |||
| S / SentinelOne, Inc. | 0.34 | -39.84 | 6.30 | -39.52 | 0.8794 | -0.7240 | |||
| XPO / XPO, Inc. | 0.05 | 26.86 | 6.23 | 48.95 | 0.8694 | 0.2255 | |||
| LNTH / Lantheus Holdings, Inc. | 0.08 | 18.52 | 6.22 | -0.59 | 0.8671 | -0.0950 | |||
| ASND / Ascendis Pharma A/S - Depositary Receipt (Common Stock) | 0.04 | 0.00 | 6.19 | 10.74 | 0.8635 | 0.0035 | |||
| KNX / Knight-Swift Transportation Holdings Inc. | 0.14 | -21.48 | 6.18 | -20.15 | 0.8620 | -0.3286 | |||
| GFL / GFL Environmental Inc. | 0.12 | -17.18 | 6.08 | -13.51 | 0.8480 | -0.2332 | |||
| PATK / Patrick Industries, Inc. | 0.07 | 6.06 | 0.8449 | 0.8449 | |||||
| ONTO / Onto Innovation Inc. | 0.06 | 2.06 | 5.89 | -15.10 | 0.8211 | -0.2457 | |||
| SARO / StandardAero, Inc. | 0.18 | 0.00 | 5.58 | 18.80 | 0.7785 | 0.0558 | |||
| GWRE / Guidewire Software, Inc. | 0.02 | -32.99 | 5.56 | -15.80 | 0.7755 | -0.2402 | |||
| JHX / James Hardie Industries plc - Depositary Receipt (Common Stock) | 0.21 | 5.54 | 0.7726 | 0.7726 | |||||
| MIR / Mirion Technologies, Inc. | 0.25 | 5.39 | 0.7517 | 0.7517 | |||||
| COLL / Collegium Pharmaceutical, Inc. | 0.18 | 14.56 | 5.37 | 13.49 | 0.7486 | 0.0210 | |||
| GCMG / GCM Grosvenor Inc. | 0.46 | -7.86 | 5.30 | -19.48 | 0.7391 | -0.2734 | |||
| COLM / Columbia Sportswear Company | 0.09 | 94.26 | 5.28 | 56.79 | 0.7365 | 0.2183 | |||
| AR / Antero Resources Corporation | 0.13 | -13.73 | 5.28 | -14.08 | 0.7363 | -0.2088 | |||
| BLFS / BioLife Solutions, Inc. | 0.25 | 54.05 | 5.28 | 45.29 | 0.7362 | 0.1773 | |||
| HQY / HealthEquity, Inc. | 0.05 | -36.41 | 5.25 | -24.62 | 0.7319 | -0.3389 | |||
| BC / Brunswick Corporation | 0.09 | -9.64 | 5.23 | -7.30 | 0.7297 | -0.1386 | |||
| MASI / Masimo Corporation | 0.03 | -7.11 | 5.18 | 6.40 | 0.7233 | 0.0619 | |||
| DBRG / DigitalBridge Group, Inc. | 0.50 | 0.00 | 5.17 | 17.36 | 0.7207 | 0.0433 | |||
| WGS / GeneDx Holdings Corp. | 0.05 | 5.03 | 0.7011 | 0.7011 | |||||
| STAG / STAG Industrial, Inc. | 0.14 | 0.00 | 4.99 | 0.44 | 0.6961 | -0.0683 | |||
| NBIX / Neurocrine Biosciences, Inc. | 0.04 | 29.58 | 4.98 | 47.28 | 0.6941 | 0.1743 | |||
| KBR / KBR, Inc. | 0.10 | 76.17 | 4.96 | 69.55 | 0.6915 | 0.2417 | |||
| EXAS / Exact Sciences Corporation | 0.09 | 4.88 | 0.6802 | 0.6802 | |||||
| FOLD / Amicus Therapeutics, Inc. | 0.83 | 21.15 | 4.77 | -14.92 | 0.6652 | -0.1972 | |||
| IONS / Ionis Pharmaceuticals, Inc. | 0.12 | 4.73 | 0.6605 | 0.6605 | |||||
| HRMY / Harmony Biosciences Holdings, Inc. | 0.15 | -12.42 | 4.69 | -16.63 | 0.6542 | -0.2111 | |||
| PX / P10, Inc. | 0.46 | 12.61 | 4.66 | -2.04 | 0.6496 | -0.0819 | |||
| ELF / e.l.f. Beauty, Inc. | 0.04 | -33.90 | 4.64 | 31.02 | 0.6476 | 0.1024 | |||
| TNET / TriNet Group, Inc. | 0.06 | -12.60 | 4.58 | -19.33 | 0.6383 | -0.2344 | |||
| KYMR / Kymera Therapeutics, Inc. | 0.10 | 26.90 | 4.54 | 102.41 | 0.6339 | 0.2883 | |||
| IRTC / iRhythm Technologies, Inc. | 0.03 | 4.51 | 0.6290 | 0.6290 | |||||
| KRMN / Karman Holdings Inc. | 0.09 | -24.71 | 4.43 | 13.49 | 0.6186 | 0.0174 | |||
| CRSR / Corsair Gaming, Inc. | 0.46 | 87.38 | 4.37 | 99.50 | 0.6095 | 0.2724 | |||
| MTDR / Matador Resources Company | 0.09 | -28.85 | 4.34 | -33.56 | 0.6058 | -0.3997 | |||
| CERT / Certara, Inc. | 0.37 | -8.93 | 4.31 | 7.63 | 0.6019 | -0.0149 | |||
| VNOM / Viper Energy, Inc. | 0.11 | -21.98 | 4.31 | -34.11 | 0.6014 | -0.4053 | |||
| AIN / Albany International Corp. | 0.06 | 0.00 | 4.31 | 1.58 | 0.6010 | -0.0516 | |||
| PR / Permian Resources Corporation | 0.30 | -33.01 | 4.12 | -34.12 | 0.5744 | -0.3872 | |||
| IL0011974909 / Oddity Tech Ltd | 0.05 | 47.89 | 4.11 | 139.96 | 0.5738 | 0.3343 | |||
| ALGM / Allegro MicroSystems, Inc. | 0.12 | -13.23 | 4.07 | 18.04 | 0.5679 | 0.0373 | |||
| QXO / QXO, Inc. | 0.18 | 3.89 | 0.5427 | 0.5427 | |||||
| Etoro Group Ltd / EC (VGG320891077) | 0.06 | 3.88 | 0.5409 | 0.5409 | |||||
| ADPT / Adaptive Biotechnologies Corporation | 0.33 | -35.47 | 3.84 | 1.19 | 0.5356 | -0.0483 | |||
| RARE / Ultragenyx Pharmaceutical Inc. | 0.10 | 0.00 | 3.80 | 0.40 | 0.5297 | -0.0521 | |||
| AZEK / The AZEK Company Inc. | 0.07 | 0.00 | 3.74 | 11.18 | 0.5218 | 0.0041 | |||
| BE / Bloom Energy Corporation | 0.16 | 0.00 | 3.72 | 21.70 | 0.5188 | 0.0485 | |||
| GH / Guardant Health, Inc. | 0.07 | -32.91 | 3.68 | -18.05 | 0.5130 | -0.1774 | |||
| LEGN / Legend Biotech Corporation - Depositary Receipt (Common Stock) | 0.10 | 54.06 | 3.66 | 61.15 | 0.5103 | 0.1610 | |||
| J / Jacobs Solutions Inc. | 0.03 | 0.00 | 3.62 | 8.75 | 0.5043 | -0.0072 | |||
| GXI / Gerresheimer AG | 0.06 | 11.43 | 3.61 | -17.04 | 0.5041 | -0.1660 | |||
| CYTK / Cytokinetics, Incorporated | 0.11 | 73.98 | 3.54 | 43.01 | 0.4937 | 0.1130 | |||
| IMCR / Immunocore Holdings plc - Depositary Receipt (Common Stock) | 0.10 | 0.00 | 3.14 | 5.76 | 0.4380 | -0.0188 | |||
| TTAN / ServiceTitan, Inc. | 0.03 | 146.03 | 3.01 | 177.31 | 0.4195 | 0.2526 | |||
| CAI / Caris Life Sciences, Inc. | 0.11 | 2.89 | 0.4038 | 0.4038 | |||||
| OM / Outset Medical, Inc. | 0.15 | -19.76 | 2.83 | 39.40 | 0.3944 | 0.0823 | |||
| PRCT / PROCEPT BioRobotics Corporation | 0.05 | -19.31 | 2.72 | -20.21 | 0.3800 | -0.1454 | |||
| CBLL / CeriBell, Inc. | 0.13 | 41.35 | 2.40 | 37.84 | 0.3344 | 0.0668 | |||
| AXTA / Axalta Coating Systems Ltd. | 0.08 | -22.37 | 2.28 | -30.50 | 0.3185 | -0.1870 | |||
| TEM / Tempus AI, Inc. | 0.03 | -49.05 | 1.97 | -32.90 | 0.2754 | -0.1773 | |||
| ULS / UL Solutions Inc. | 0.02 | -75.77 | 1.80 | -68.70 | 0.2513 | -0.6341 | |||
| BPMC / Blueprint Medicines Corporation | 0.01 | -76.27 | 1.79 | -65.64 | 0.2501 | -0.5525 | |||
| MTSR / Metsera, Inc. | 0.06 | -44.54 | 1.67 | -42.03 | 0.2329 | -0.2102 | |||
| CGON / CG Oncology, Inc. | 0.06 | 0.00 | 1.44 | 6.21 | 0.2005 | -0.0078 | |||
| ABSI / Absci Corporation | 0.51 | 0.00 | 1.30 | 2.35 | 0.1820 | -0.0141 | |||
| ANNX / Annexon, Inc. | 0.23 | 0.00 | 0.55 | 24.55 | 0.0765 | 0.0086 | |||
| GUTS / Fractyl Health, Inc. | 0.21 | 0.00 | 0.34 | 36.18 | 0.0467 | 0.0089 | |||
| US68404V1180 / OPTINOSE INC | 0.00 | -100.00 | 0.00 | 0.0000 | |||||
| 9ZX / Oatly Group AB - Depositary Receipt (Common Stock) | 0.00 | -100.00 | 0.00 | -0.0000 | |||||
| PEN / Penumbra, Inc. | 0.00 | -100.00 | 0.00 | -100.00 | -0.6467 |
